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Cushion|Lab Grown|IGI

3.03ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG851664830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851664830

Diamond specifications and retailer prices

From £420 GBP
HK$4,400 HKD
As of November 1, 2026
Save £1,595 GBP (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,015 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851664830 or 851664830. Listed at 6 retailers as of October 31, 2026, with prices from £420 to £2,015, a £1,595 spread on the same certified stone. Brilliant Earth lists it at £2,015. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851664830
Dimensions10.32 × 7.62 × 5.19 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm7.62 mm3.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851664830
Side View
Table 61.0%Crown 31.3°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £441 GBP|Low: £420 GBP|High: £1,228 GBP|Avg: £651 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5£420 GBP
Retailer 1£441 GBP
Retailer 2£500 GBP
Retailer 3£615 GBP
Retailer 4£1,228 GBP

3 data points across 5 retailers

6 retailers£420 GBP to £2,015 GBP

A
Cheapest Retailer
-
£420 GBP
HK$4,400 HKD
A
Retailer 2
-
£441 GBP
View
A
Retailer 3
-
£500 GBP
$670 USD
View
B+
Retailer 4
-
£615 GBP
$824 USD
View
B+
Retailer 5
-
£1,228 GBP
SGD 2,224 SGD
View
Most Expensive
B
Brilliant Earth
22369050A · Oct 31
£2,015 GBP
$2,700 USD
View
5 more retailers have this diamond
Prices start from £420 GBPSave up to £1,595 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.03ct Cushion
£420 GBP